package com.sky.handler;

import com.sky.constant.MessageConstant;
import com.sky.exception.BaseException;
import com.sky.result.Result;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.sql.SQLIntegrityConstraintViolationException;
import java.util.Arrays;

/**
 * 全局异常处理器，处理项目中抛出的业务异常
 */
@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    /**
     * 捕获业务异常
     * @param ex
     * @return
     */
    @ExceptionHandler
    public Result exceptionHandler(BaseException ex){
        log.error("异常信息：{}", ex.getMessage());
        return Result.error(ex.getMessage());
    }
    /**
     * 捕获SQLIntegrityConstraintViolationException
     *
     * 王五该账户已存在
     */

    @ExceptionHandler
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex){
        log.error("异常信息：{}",ex.getMessage());
        //String dew="Duplicate entry '+ex.+' for key";
        //String s="Duplicate entry 'wangzhe' for key "1. subString截取 2.split()切割
        //判断当前错误详细信息中是否包含Duplicate entry，如果包含就获取用户输入的id
        if (ex.getMessage().contains("Duplicate entry")){
            //包含就获取异常信息的详情
            String[] split=ex.getMessage().split(" ");
            System.out.printf(Arrays.toString(split));
            //获取具体的用户姓名
            String name = split[2];
            //提示用户信息
            return Result.error(name + MessageConstant.ALREADY_EXiST);
        }else {
            return Result.error(MessageConstant.UNKNOWN_ERROR);
        }




    }

}
